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Analysis

  • max time kernel
    157s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    03/10/2022, 16:58

General

  • Target

    b064c1a44605cc6f6b006e60d4a2cca30751692858283c10aa2c13a8192fcb31.exe

  • Size

    255KB

  • MD5

    18da44bdf8cb5baa2357058f4aa12eb1

  • SHA1

    44b6e901b7c44991dc6d42a9166d699e1a8f6946

  • SHA256

    b064c1a44605cc6f6b006e60d4a2cca30751692858283c10aa2c13a8192fcb31

  • SHA512

    f64dc0f618d71b80b2298f880f0b40fa95bd691b3de29ef933d1262d3dbcfbae629a20ee2a77a999709d46417bcd800f66477086bf49bd7429d8e91ca028467c

  • SSDEEP

    6144:1xlZam+akqx6YQJXcNlEHUIQeE3mmBI6Z:Plf5j6zCNa0xeE3mg

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Executes dropped EXE 5 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • UPX packed file 29 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 13 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 22 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of FindShellTrayWindow 57 IoCs
  • Suspicious use of SendNotifyMessage 37 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b064c1a44605cc6f6b006e60d4a2cca30751692858283c10aa2c13a8192fcb31.exe
    "C:\Users\Admin\AppData\Local\Temp\b064c1a44605cc6f6b006e60d4a2cca30751692858283c10aa2c13a8192fcb31.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Windows\SysWOW64\pojzcdjorx.exe
      pojzcdjorx.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1408
      • C:\Windows\SysWOW64\clawonop.exe
        C:\Windows\system32\clawonop.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:892
    • C:\Windows\SysWOW64\dewsllzlkesxyog.exe
      dewsllzlkesxyog.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1152
    • C:\Windows\SysWOW64\clawonop.exe
      clawonop.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1532
    • C:\Windows\SysWOW64\apcpsggbztnoc.exe
      apcpsggbztnoc.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:320
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:528
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Modifies Internet Explorer settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1664
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x59c
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1756

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe

      Filesize

      255KB

      MD5

      895b4c05c0a24e832912e3cbc2a40031

      SHA1

      3c5fac7b5ac72f2a1662115bfc945660615cf4c8

      SHA256

      a02435af7e264b8d329e20e251b867c1a5ebf9070b55b7502107b6dba220552c

      SHA512

      aee3b52d2d655f95bb071e8fdde1ae642a5b3670d15e8f5003313ea342562afe4b944eab42906bd2f3af736045291a10c61581b11019530b31ae34270dfb09fe

    • C:\Windows\SysWOW64\apcpsggbztnoc.exe

      Filesize

      255KB

      MD5

      3065c7d5b6fc50f61f8756b347df241e

      SHA1

      ec7a4dd5164ae30125219a2cbeedaef3fb70da3b

      SHA256

      930dbb81109bb6c2ab9103e14fb6695c9e42c6aaca40faf20741b869966b1224

      SHA512

      99f87a66cecf85640e594ba5e1e3cdf07f0f46522576ab55c55ed6cd4ae20394340432f8601fed5058641ff41fff96ae70ed2328dc939e6ea1906d7c5a080e6d

    • C:\Windows\SysWOW64\apcpsggbztnoc.exe

      Filesize

      255KB

      MD5

      3065c7d5b6fc50f61f8756b347df241e

      SHA1

      ec7a4dd5164ae30125219a2cbeedaef3fb70da3b

      SHA256

      930dbb81109bb6c2ab9103e14fb6695c9e42c6aaca40faf20741b869966b1224

      SHA512

      99f87a66cecf85640e594ba5e1e3cdf07f0f46522576ab55c55ed6cd4ae20394340432f8601fed5058641ff41fff96ae70ed2328dc939e6ea1906d7c5a080e6d

    • C:\Windows\SysWOW64\clawonop.exe

      Filesize

      255KB

      MD5

      448c0f4246aaf381d02e92c0c8c26402

      SHA1

      b383a2912da899a85c71519264adf20080ba1f1d

      SHA256

      f2e838517c408dd986c6cdf770d841daf280ee77597d64e760813a2d80193635

      SHA512

      b9f204e0d5c910047e02406bdb2656283ea2d3c7289014f18c62d97a00fb7a0fbc33cdeb10500f7536b46823610b05e92c7c9e20ff4b308d886e27a4c93f722e

    • C:\Windows\SysWOW64\clawonop.exe

      Filesize

      255KB

      MD5

      448c0f4246aaf381d02e92c0c8c26402

      SHA1

      b383a2912da899a85c71519264adf20080ba1f1d

      SHA256

      f2e838517c408dd986c6cdf770d841daf280ee77597d64e760813a2d80193635

      SHA512

      b9f204e0d5c910047e02406bdb2656283ea2d3c7289014f18c62d97a00fb7a0fbc33cdeb10500f7536b46823610b05e92c7c9e20ff4b308d886e27a4c93f722e

    • C:\Windows\SysWOW64\clawonop.exe

      Filesize

      255KB

      MD5

      448c0f4246aaf381d02e92c0c8c26402

      SHA1

      b383a2912da899a85c71519264adf20080ba1f1d

      SHA256

      f2e838517c408dd986c6cdf770d841daf280ee77597d64e760813a2d80193635

      SHA512

      b9f204e0d5c910047e02406bdb2656283ea2d3c7289014f18c62d97a00fb7a0fbc33cdeb10500f7536b46823610b05e92c7c9e20ff4b308d886e27a4c93f722e

    • C:\Windows\SysWOW64\dewsllzlkesxyog.exe

      Filesize

      255KB

      MD5

      7795e02ac28d1d57f7535361018d99e9

      SHA1

      e6dbd215e421aafcf4a3e6d54b8284c2df59ea6f

      SHA256

      e91c53e147661b692a2d6d2ddf998a33f453219629310b99861c9435a3f3c125

      SHA512

      4b8732b7e2a8f2342a06f9abae4e03a0f1424348b8f281ebeedea5587372dee6f96829258b486b9ba7877c9c17fd22dcc5db31e978d59f792c4e16768bd369fc

    • C:\Windows\SysWOW64\dewsllzlkesxyog.exe

      Filesize

      255KB

      MD5

      7795e02ac28d1d57f7535361018d99e9

      SHA1

      e6dbd215e421aafcf4a3e6d54b8284c2df59ea6f

      SHA256

      e91c53e147661b692a2d6d2ddf998a33f453219629310b99861c9435a3f3c125

      SHA512

      4b8732b7e2a8f2342a06f9abae4e03a0f1424348b8f281ebeedea5587372dee6f96829258b486b9ba7877c9c17fd22dcc5db31e978d59f792c4e16768bd369fc

    • C:\Windows\SysWOW64\pojzcdjorx.exe

      Filesize

      255KB

      MD5

      5435352b80d27a78fc1f3d173cd40f15

      SHA1

      a94480c384e097920c88ae520ca0025c532d7642

      SHA256

      f1546cb4fd16e4f7d9593fa5d6c0e72e6394e2cd76c068d4708a28e3ecc112b4

      SHA512

      284e72a3cf24d288b3dc89f94e85294f7542803c139fdeffc176aaf9d80646fc52ffe1bd9703a332b7b8f8500026390925e5f44ae4cd61e807e644200432b3ab

    • C:\Windows\SysWOW64\pojzcdjorx.exe

      Filesize

      255KB

      MD5

      5435352b80d27a78fc1f3d173cd40f15

      SHA1

      a94480c384e097920c88ae520ca0025c532d7642

      SHA256

      f1546cb4fd16e4f7d9593fa5d6c0e72e6394e2cd76c068d4708a28e3ecc112b4

      SHA512

      284e72a3cf24d288b3dc89f94e85294f7542803c139fdeffc176aaf9d80646fc52ffe1bd9703a332b7b8f8500026390925e5f44ae4cd61e807e644200432b3ab

    • C:\Windows\mydoc.rtf

      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    • \Windows\SysWOW64\apcpsggbztnoc.exe

      Filesize

      255KB

      MD5

      3065c7d5b6fc50f61f8756b347df241e

      SHA1

      ec7a4dd5164ae30125219a2cbeedaef3fb70da3b

      SHA256

      930dbb81109bb6c2ab9103e14fb6695c9e42c6aaca40faf20741b869966b1224

      SHA512

      99f87a66cecf85640e594ba5e1e3cdf07f0f46522576ab55c55ed6cd4ae20394340432f8601fed5058641ff41fff96ae70ed2328dc939e6ea1906d7c5a080e6d

    • \Windows\SysWOW64\clawonop.exe

      Filesize

      255KB

      MD5

      448c0f4246aaf381d02e92c0c8c26402

      SHA1

      b383a2912da899a85c71519264adf20080ba1f1d

      SHA256

      f2e838517c408dd986c6cdf770d841daf280ee77597d64e760813a2d80193635

      SHA512

      b9f204e0d5c910047e02406bdb2656283ea2d3c7289014f18c62d97a00fb7a0fbc33cdeb10500f7536b46823610b05e92c7c9e20ff4b308d886e27a4c93f722e

    • \Windows\SysWOW64\clawonop.exe

      Filesize

      255KB

      MD5

      448c0f4246aaf381d02e92c0c8c26402

      SHA1

      b383a2912da899a85c71519264adf20080ba1f1d

      SHA256

      f2e838517c408dd986c6cdf770d841daf280ee77597d64e760813a2d80193635

      SHA512

      b9f204e0d5c910047e02406bdb2656283ea2d3c7289014f18c62d97a00fb7a0fbc33cdeb10500f7536b46823610b05e92c7c9e20ff4b308d886e27a4c93f722e

    • \Windows\SysWOW64\dewsllzlkesxyog.exe

      Filesize

      255KB

      MD5

      7795e02ac28d1d57f7535361018d99e9

      SHA1

      e6dbd215e421aafcf4a3e6d54b8284c2df59ea6f

      SHA256

      e91c53e147661b692a2d6d2ddf998a33f453219629310b99861c9435a3f3c125

      SHA512

      4b8732b7e2a8f2342a06f9abae4e03a0f1424348b8f281ebeedea5587372dee6f96829258b486b9ba7877c9c17fd22dcc5db31e978d59f792c4e16768bd369fc

    • \Windows\SysWOW64\pojzcdjorx.exe

      Filesize

      255KB

      MD5

      5435352b80d27a78fc1f3d173cd40f15

      SHA1

      a94480c384e097920c88ae520ca0025c532d7642

      SHA256

      f1546cb4fd16e4f7d9593fa5d6c0e72e6394e2cd76c068d4708a28e3ecc112b4

      SHA512

      284e72a3cf24d288b3dc89f94e85294f7542803c139fdeffc176aaf9d80646fc52ffe1bd9703a332b7b8f8500026390925e5f44ae4cd61e807e644200432b3ab

    • memory/320-99-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/320-85-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/892-100-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/892-105-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/892-87-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1152-83-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1152-97-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1304-55-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1304-54-0x00000000762E1000-0x00000000762E3000-memory.dmp

      Filesize

      8KB

    • memory/1304-81-0x00000000021E0000-0x0000000002280000-memory.dmp

      Filesize

      640KB

    • memory/1304-89-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1408-82-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1408-86-0x0000000003850000-0x00000000038F0000-memory.dmp

      Filesize

      640KB

    • memory/1408-96-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1532-106-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1532-84-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1532-98-0x0000000000400000-0x00000000004A0000-memory.dmp

      Filesize

      640KB

    • memory/1572-90-0x0000000072DB1000-0x0000000072DB4000-memory.dmp

      Filesize

      12KB

    • memory/1572-103-0x000000007181D000-0x0000000071828000-memory.dmp

      Filesize

      44KB

    • memory/1572-91-0x0000000070831000-0x0000000070833000-memory.dmp

      Filesize

      8KB

    • memory/1572-94-0x000000007181D000-0x0000000071828000-memory.dmp

      Filesize

      44KB

    • memory/1572-92-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1664-76-0x000007FEFC1E1000-0x000007FEFC1E3000-memory.dmp

      Filesize

      8KB

    • memory/1664-107-0x0000000002760000-0x0000000002770000-memory.dmp

      Filesize

      64KB